77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
|
|
* The Qubes OS Project, http://www.qubes-os.org
|
|
*
|
|
* Copyright (C) 2010 Rafal Wojtczuk <rafal@invisiblethingslab.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
#include <stdio.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include "qrexec.h"
|
|
|
|
int get_server_socket(int domid, char *domname)
|
|
{
|
|
struct sockaddr_un sockname;
|
|
int s;
|
|
char socket_address[40];
|
|
char link_to_socket_name[strlen(domname) + sizeof(socket_address)];
|
|
|
|
snprintf(socket_address, sizeof(socket_address),
|
|
QREXEC_DAEMON_SOCKET_DIR "/qrexec.%d", domid);
|
|
snprintf(link_to_socket_name, sizeof link_to_socket_name,
|
|
QREXEC_DAEMON_SOCKET_DIR "/qrexec.%s", domname);
|
|
unlink(socket_address);
|
|
unlink(link_to_socket_name);
|
|
symlink(socket_address, link_to_socket_name);
|
|
|
|
s = socket(AF_UNIX, SOCK_STREAM, 0);
|
|
memset(&sockname, 0, sizeof(sockname));
|
|
sockname.sun_family = AF_UNIX;
|
|
memcpy(sockname.sun_path, socket_address, strlen(socket_address));
|
|
|
|
if (bind(s, (struct sockaddr *) &sockname, sizeof(sockname)) == -1) {
|
|
printf("bind() failed\n");
|
|
close(s);
|
|
exit(1);
|
|
}
|
|
// chmod(sockname.sun_path, 0666);
|
|
if (listen(s, 5) == -1) {
|
|
perror("listen() failed\n");
|
|
close(s);
|
|
exit(1);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
int do_accept(int s)
|
|
{
|
|
struct sockaddr_un peer;
|
|
unsigned int addrlen;
|
|
int fd;
|
|
addrlen = sizeof(peer);
|
|
fd = accept(s, (struct sockaddr *) &peer, &addrlen);
|
|
if (fd == -1) {
|
|
perror("unix accept");
|
|
exit(1);
|
|
}
|
|
return fd;
|
|
}
|